🖼️00Could Pluto Once Again Be Considered a Planet? New Remarks From NASA's Administrator Highlight an Enduring Debate Among ScientistsSmithsonian Magazine·Margherita Bassi·27 days ago#oADzLf1M#astronomyastrophysicsnasaplanets#astronomy#astrophysics#nasa#planet#pluto+5 more🧰Tag tools✨Add tagTwo decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for being a planet, putting Pluto into the new category of dwarf planet15s0Read later0Read More